How do we learn to avoid bad food? Researchers found that fat cells signal the brain using dopamine to trigger "conditioned ...

Introduced foxes, dogs, cats, rats, and other predators kill millions of native animals every year, but what if they were conditioned to associate this prey with food that made them ill? A team of ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...